Frontier Fury (1943)

Indian Agent Steve Langdon is dismissed from his job when a money shipment he was transporting is robbed. He fought with one of the robbers and saw a tattoo on his arm. Later when Stella arrives Steve learns she was jilted by Dan Bentley, the man with that tattoo. So Steve puts her to work in a medicine show hoping she will be seen by one of Bentley's men.